The correct answer is B. Antoine-Laurent de Lavoisier was a French chemist, biologist and economist who discovered <em>the law of conservation of matter</em> in 1785.
This law states that during a chemical reaction, <u>the total mass in the system remains constant</u>, that is, the mass consumed of the reactants is equal to the mass of the products obtained.
A) West African slave traders
Good luck!!
The answer is true.
There have been some disruption such as the acts of the Red Army Faction
but West Germany had a stable government where various political parties have
been able to take part on national issues.
Just like other countries the political trends vary depending on which
party governs the government.
I think the answer is true because John Brown was against slavery.
People believe that the war lasted four years .
